Alameda County

Alameda County is a county in the U.S. state of California. It occupies most of the East Bay region of the San Francisco Bay Area. As of the 2010 census it had a population of 1,510,271, making it the 7th most populous county in the state. The county includes the cities of Oakland, which is its seat, and Berkeley. The county was formed on March 25, 1853 from a large portion of Contra Costa County and a smaller portion of Santa Clara County. The Spanish word alameda means "a place where poplar trees grow", a name which originally was given to the Arroyo de la Alameda (Poplar Grove Creek). The willow and sycamore trees along the banks of the river reminded the early explorers of a road lined with trees, also known as an alameda. The...